Power and Propulsion
Latest Stories
News Power
No Fear of Loading: Driving the 2025 Ram Heavy Duty
The desert landscapes of the western United States have changed since Mr. Duke and Dr. Gonzo blazed a trail across them in a drug-infused haze. But their advice to buy the ticket and take...
Q&A Design
Transmission Talk: Eaton Discusses Its Portfolio of Commercial Gearboxes
Last summer, SAE Media was invited to Eaton’s proving grounds in Marshall, Michigan, to test drive an electric truck the company had built in collaboration with BAE...
News Power
Off-Highway Hybrids Are Entering Prime Time
Vocational off-highway vehicles are piling on the miles with power provided by an internal combustion engine (ICE) with additional hybrid technology. “We often get asked the question,...
News Power
Eaton and BAE Gear up a New Electrified Truck
One of the advantages that OEMs have long touted for battery-electric vehicles (BEVs) has been the elimination of components like the transmission. The instant torque that an electric motor can...
News Transportation
Volvo Reveals New VNL with SuperTruck Influence
Volvo Trucks North America has launched the completely redesigned VNL Class 8 truck. The all-new VNL was designed specifically for the North American market and features Volvo’s next...
News Mechanical & Fluid Systems
Civic Type R Is Honda’s Technology Showcase
Despite humble roots, Honda’s 2023 Civic Type R is a Porsche for the rest of us: A small car destined for greatness, with more entertainment value than a three-day Netflix binge.
Articles Energy
Volvo CE Previews ConExpo 2023 Display
Volvo CE previewed its display for ConExpo 2023 in Las Vegas with a teaser of the new DD25 electric compact double-drum asphalt compactor.
News Energy
Navistar’s ‘Ground Up’ Approach to All-New Diesel Engine
Though electrification has taken center stage for the commercial trucking industry, diesel ICE powertrains will continue to serve as the preferred propulsion system of many...
Articles Power
Making the Torque-Transfer Transition
A reckoning has arrived at suppliers whose product portfolios, engineering resources, and R&D activities are not aligned with the EV horizon. The challenge of pivoting their focus to...
News Imaging
Ford Engineered the 2022 Bronco to Give Jeep the Willies
Ford engineers refused to utter a single bad word about Jeep Wrangler during the course of the week-long 2022 Bronco media drive event in Austin, Texas. In fact, some among that...
News Mechanical & Fluid Systems
Gearing EVs for Greater Efficiency
A long-touted benefit of electric vehicles has been the utter simplicity of their drivetrains. With just a pair of reduction gears between the traction motor and final drive, single-speed gearing helps to...
Q&A Propulsion
Cummins Unveils EPA-Compliant 2021 Heavy-Duty Diesels
Cummins reserved its first virtual press event since the pandemic onset to reveal details of its EPA 2021 emissions-compliant X12 and X15 Performance Series engines. Built upon the...
News Propulsion
In Pursuit of the Silky-Smooth EV
For next-generation electric vehicles (EVs), absolute smoothness in every operating mode will be an essential criterion. It will be a product differentiator, along with greater range, while raising the bar...
News Photonics/Optics
2021 Ford Bronco Aims to Kick Some Jeep
“There is nothing on this truck that is superfluous – no decorative chrome or extraneous styling. It’s designed for function, not fashion,” explained Paul Wraith, chief designer for Ford’s...
What We’re Driving Propulsion
What We’re Driving: 2020 Acura RDX
Acura’s RDX midsize crossover has established itself as an industry benchmark in body engineering, vehicle dynamics, cabin design and related metrics. All this basic goodness has helped this 2-row SUV...
News Propulsion
Engineering the Chevrolet Corvette's First-Ever Mid-Engine Architecture
Shifting 500 lb (227 kg) of engine mass rearward by 7.5 feet (2.3 m) and moving 300 lb (136 kg) of transmission components aft by almost three feet transformed the...
News Manned Systems
Nissan's 2020 Frontier Gets New Powertrain
More transmission gears and greater engine horsepower should enliven the 2020 Nissan Frontier midsize pickup truck. “We’re launching a new transmission and new engine in the current Frontier,...
Articles Nanotechnology
2019’s Best Automotive Plastics Innovations
The Society of Plastics Engineers (SPE) annual Automotive Innovation Awards Competition, now in its 49th year, is considered the “Oscars” for those developing polymer and...
News Propulsion
Inside Tremec’s Corvette Dual-Clutch Transmission
Explaining Corvette’s move to one transmission for all buyers, global chief engineer Tadge Juechter notes, “Our customers began requesting a dual-clutch automatic transmission [DCT]...
Road Ready Energy
New-Generation Nissan Versa Breaks for Higher Ground
Subcompact cars hardly are spotlight-grabbers at the moment, but Nissan has nonetheless delivered up an all-new 2020 Versa that notches higher fuel economy, quicker acceleration, tighter...
Articles Power
Engineering the 2020 Chevrolet Corvette
Two days before the 50th anniversary of astronaut Neil Armstrong’s leap for mankind and 10 years after General Motors emerged from bankruptcy, the camouflage was finally ripped from the...
What We’re Driving Power
2019 Hyundai Kona Ultimate AWD
The Hyundai Kona was named the 2019 North American Utility Vehicle of the Year (NAUVOY), sharing this accolade with its EV version which we had a positive impression of during its launch event. During a...
News Energy
2020 Hyundai Palisade: New Chassis, Atkinson V6
The three-row 2020 Hyundai Palisade’s strong, stable and quiet body structure serves as the starting point for ride quality, roll control and a quiet cabin. “We put a lot of resources...
Technology Report Propulsion
ZF Shifts EV Transmission Efficiency up a Gear
ZF Project Engineer Volker Vogel checked that the Lausitzring test track ahead was clear and announced: “Now from stationary on full throttle.” From the rear of the prototype van came the...
News Energy
Ferrari Reveals SF90, First-Ever Plug-In Hybrid
Storied sportscar-maker Ferrari will produce its first-ever plug-in hybrid-electric vehicle, the company said in announcing its SF90 Stradale, a new model named in reference to the 90th...
News Propulsion
Heavy Capability for Chevy’s 2020 Silverado Heavy-Duty Pickups
That there are a staggering eight different trim levels for the new 2020 Chevrolet Silverado HD lineup says much about the importance the commercial-pickup segment holds for...
News Connectivity
GKN Demos ETwinster, World’s-First 2-Speed Torque-Vectoring BEV Transmission
GKN Automotive has unveiled what it claims is the world’s first 2-speed, torque-vectoring transmission for battery electric vehicles (BEVs). Featured on...
News Materials
Powering Back to the Future
Credit Leonardo DaVinci for creating what many historians believe was the first depiction of a self-powered vehicle. It was powered by springs. And in the centuries since then, engineers have found increasingly...
What We’re Driving Propulsion
2019 Hyundai Veloster R-Spec
I don’t deliver much critique about vehicle styling because everybody’s entitled to their own tastes, but it’s important to say up front that I’ll never think the Veloster—even in its faintly...
Top Stories
INSIDERAerospace
NASA’s Quiet Supersonic Demonstrator Jet Completes First Flight
INSIDERManned Systems
Algorithms for Autonomous Marine Vehicles
INSIDERManned Systems
F-35 Proves Nuke Drop Performance in Stockpile Flight Testing
INSIDERAerospace
Stevens Researchers Test Morkovin's Hypothesis for Major Hypersonic Flight...
INSIDERElectronics & Computers
A Quantum Leap for Defense Computing Applications
INSIDERAerospace
Anduril Completes First Semi-Autonomous Flight of CCA Prototype
Webcasts
Test & Measurement
Vibroacoustic and Shock Analysis for Aerospace and Defense...
Automotive
Vehicle Test with R-444A: Better-Performing R-1234yf Direct...
Automotive
Advancements in Zinc Die Casting Technology & Alloys for...
Automotive
EV and Battery Thermal Management Strategies
Automotive
Optimizing Production Processes with the Virtual Twin
Manufacturing & Prototyping
How Virtual Twins are Reshaping Aerospace Design and Manufacturing